81403072

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3305

約数の個数: 56

約数和(自身を含む): 178527456

約数和(自身を除く): 97124384

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1088, 1472, 1564, 3128, 3253, 6256, 6506, 12512, 13012, 25024, 26024, 52048, 55301, 74819, 104096, 110602, 149638, 208192, 221204, 299276, 442408, 598552, 884816, 1197104, 1271923, 1769632, 2394208, 2543846, 3539264, 4788416, 5087692, 10175384, 20350768, 40701536, 81403072]

約数ペア:

[(1, 81403072), (2, 40701536), (4, 20350768), (8, 10175384), (16, 5087692), (17, 4788416), (23, 3539264), (32, 2543846), (34, 2394208), (46, 1769632), (64, 1271923), (68, 1197104), (92, 884816), (136, 598552), (184, 442408), (272, 299276), (368, 221204), (391, 208192), (544, 149638), (736, 110602), (782, 104096), (1088, 74819), (1472, 55301), (1564, 52048), (3128, 26024), (3253, 25024), (6256, 13012), (6506, 12512)]